6619509742352 has 80 divisors (see below), whose sum is σ = 14127750266112. Its totient is φ = 2985487319040.

The previous prime is 6619509742327. The next prime is 6619509742387. The reversal of 6619509742352 is 2532479059166.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6619509742291 and 6619509742300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5738243 + ... + 6794589.

Almost surely, 2^{6619509742352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6619509742352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7063875133056).

6619509742352 is an abundant number, since it is smaller than the sum of its proper divisors (7508240523760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6619509742352 is a wasteful number, since it uses less digits than its factorization.

6619509742352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057056 (or 1057050 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 6619509742352 in words is "six trillion, six hundred nineteen billion, five hundred nine million, seven hundred forty-two thousand, three hundred fifty-two".